Comparison of two ready-to-eat cereals as partial meal replacements in a 2-week weight loss plan
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Studies show rapid weight loss with shortterm use of readytoeat (RTE) breakfast cereals as partial meal replacements. This study was designed to compare 2 wk weight loss from partial meal replacements of Special K Original (Kellogg Company) vs. a caloriematched whole grain control cereal (General Mills, Inc.). Overweight women (4211 y; 31.74 kg/m2) were randomized to either Special K (n=32) or control (n=32). All subjects were instructed to replace their usual breakfast and lunch or dinner with a 100 kcal serving of cereal, 2/3 c skim milk and fruit daily for 2 wks. Body weight, DEXA body composition, and circumference measurements were obtained at 0 and 2 weeks and were analyzed by repeated measures ANOVA. After 2 wks, women lost 2.92.6 lbs (p<0.001), with the control group losing significantly more weight than Special K (3.62.9 lbs vs. 2.22.0; p=0.026). Women reduced waist circumference (0.41.0 in; p=0.003), with no significant difference between groups. No significant effects of time or group were observed for fat mass, % body fat or hip circumference. Results show that replacing two meals daily for 2 wks with a 100 kcal serving of either Special K Original or a whole grain RTE cereal, served with skim milk and fruit, can help reduce body weight and waist circumference. Supported by General Mills Bell Institute of Health and Nutrition.
